NDLI: On the achievable rate of three-node wireless networks

Content Provider	IEEE Xplore Digital Library
Author	Lifeng Lai Ke Liu El-Gamal, H.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Ohio State Univ., Columbus, OH, USA (Lifeng Lai; Ke Liu; El-Gamal, H.)
Abstract	Wc propose an information theoretic wireless network model consisting of three half-duplex nodes under the total power constraint. The three-node network formulation specializes to many generalized scenarios including relay and multi-cast, with realistic feedback and cooperation. In this framework, cooperation and feedback are naturally incorporated via different patterns of node transmission or reception. We focus on several important sub-problems to gain fundamental insights on the role of cooperation and feedback. In particular, we characterize the achievable rate for the relay case under various cooperation strategies. Our analytical results help identify scenarios where one strategy may outperform the others. We propose a novel (noisy, half-duplex) feedback scheme that can improve upon known non-feedback methods. However, the gain of feedback diminishes in either high power or low power regime. We then extend our results on the relay case into the multicast scenario, and show that receiver cooperation enlarges achievable rate region even under the stringent half-duplex and total power constraint. Numerical results are provided to demonstrate our theoretical findings.
Starting Page	739
Ending Page	744
File Size	1422682
Page Count	6
File Format	PDF
ISBN	0780393058
DOI	10.1109/WIRLES.2005.1549499
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Power engineering computing Costs Wireless networks Feedback Constraint theory Frequency Computer networks Relays Power engineering and energy
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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